Home / 187,174.24-280,338.36-131,262.64

Finding the Fourth Proportional to 187,174.24, 280,338.36 and 131,262.64

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Solution

The fourth proportional to 187,174.24, 280,338.36 and 131,262.64 is: 196,597.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,174.24 : 280,338.36 = 131,262.64 : x
  2. Step 2: Convert to fraction form
    187,174.24/280,338.36 = 131,262.64/x
  3. Step 3: Cross multiply
    187,174.24x = 280,338.36 × 131,262.64
  4. Step 4: Simplify right side
    187,174.24x = 36,797,953,226.87
  5. Step 5: Solve for x
    x = 36,797,953,226.87/187,174.24
  6. Step 6: Final answer
    x = 196,597.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.